NZQA registered unit standard
20419 version 3
Page 1 of 3
Title
Use a conductor trolley on de-energised transmission line
conductors
Level
4
Credits
3
Purpose
People credited with this unit standard are able to: prepare to
use a conductor trolley; and place and remove a conductor
trolley, in accordance with industry requirements.
Classification
Electricity Supply > Electricity Supply - Transmission Networks
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Unit 24746, Rig electrical network structures, or demonstrate
equivalent knowledge and skills.
Explanatory notes
1
This unit standard can be assessed in a workplace environment, or in a training or
educational environment if simulated equipment and examples are able to be
provided, or in a combination of both environments.
2.
Safety of personnel working on the high-voltage lines and plant must be a priority
throughout the assessment. If the safety requirements are not met the assessment
must stop.
3
Performance and work practices in relation to the outcomes and evidence
requirements must comply with all current legislation, especially the Electricity Act
1992 and any subsequent amendments, and any regulations, codes of practice
recognised under that statute; Health and Safety in Employment Act 1992, the
Resource Management Act 1991, and their subsequent amendments; electricity
supply industry codes of practice and documented enterprise procedures. These
include updated versions of Safety Manual – Electricity Industry (SM-EI) Wellington:
Electricity Engineers’ Association.
A full list of current legislation and industry codes is available from:
Infrastructure Industry Training Organisation
PO Box 2759
Wellington 6140.
4
Reference to terms, procedures, and specifications in this unit standard may be
taken as including industry documented procedures and specifications relevant to the
workplace in which assessment is carried out.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
5
20419 version 3
Page 2 of 3
The following terms and abbreviations relate to this unit standard:
Asset owner refers to an electricity industry participant who owns or operates assets
used for generating or conveying electricity.
Asset owner procedures are the approved documented work site methods for
carrying out work on electrical generation assets or supply network to the standard
required by the asset owner.
Industry requirements include all asset owner procedures; manufacturers’
specifications; and enterprise requirements which cover the documented workplace
policies, procedures, specifications, and business and quality management
requirements relevant to the workplace in which assessment is carried out.
Outcomes and evidence requirements
Outcome 1
Prepare to use a conductor trolley in accordance with industry requirements.
Evidence requirements
1.1
Correct work instruction for task at hand is identified.
Range
1.2
Tooling is selected to match work instruction.
Range
1.3
may include but is not limited to – select work instruction for the
line configuration to be worked on, single circuit, double circuit,
suspension structure, simplex, duplex quad conductor.
may include but is not limited to – tool bags, capstan assembly
complete, capstan hoist and lead, snatch blocks, nylon strops
(endless), shackles, hand lines, safety strop, portable earths.
Work preparation is completed in terms of identifying the rigging plan, line,
circuit, and phases to be worked on; laying out the tools; and ensuring that tools
are clean, undamaged, and fit for purpose, trolley compliant, certified for circuit
voltages, trolley brakes inspected.
Outcome 2
Place and remove a conductor trolley in accordance with industry requirements.
Evidence requirements
2.1
Tools for trolley raising and lowering are set up on the ground.
2.2
Rigging for trolley raising and lowering is set up.
2.3
Trolley is lifted and placed on the conductor.
2.4
Trolley is passed through or around suspension insulator.
2.5
Trolley is removed from conductor and lowered to ground.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Planned review date
20419 version 3
Page 3 of 3
31 December 2020
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
20 April 2004
31 December 2018
Review
2
23 April 2008
31 December 2018
Review
3
20 August 2015
N/A
Consent and Moderation Requirements (CMR) reference
0120
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Infrastructure ITO (Connexis) qualifications@connexis.org.nz if you
wish to suggest changes to the content of this unit standard.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016